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MatroZZZ [7]
2 years ago
11

Please help me with this :)))

Mathematics
1 answer:
Juliette [100K]2 years ago
3 0

Answer:

Transitive

Step-by-step explanation:

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Tina wants to decorate a rectangular picture frame measuring 18 w 14 tall she has 4 ft of rope dies she have enough rope
igor_vitrenko [27]

Tina does not have enough rope to decorate the frame

Step-by-step explanation:

Tina wants to decorate a rectangular picture frame

  • The width of the frame is 18 inches
  • The length of the frame is 14 inches
  • She has 4 feet rope

We want to know if she has enough rope or not to decorate the frame

∵ The frame is in the shape of the rectangle

- The length of the rope must be equal the perimeter of the frame

∵ The perimeter of a rectangle = 2 length + 2 width

∵ The length = 14 inches

∵ The width = 18 inches

∴ The perimeter of the frame = 2(14) + 2(18) = 28 + 36 = 64 inches

∵ The length of the rope is 4 feet

∵ 1 foot = 12 inches

∴ The length of the rope = 4 × 12 = 48 inches

∵ 48 < 64

∴ The length of the rope is less than the perimeter of the frame

∴ Tina does not have enough rope

Tina does not have enough rope to decorate the frame

Learn more:

You can learn more about word problems in brainly.com/question/12148432

#LearnwithBrainly

5 0
3 years ago
PLEEEAAASEEEEE HHEEELPPPP MMEEEEEE
Citrus2011 [14]

Place Brunhilda at (0,0) which is the location of the intersection of the x and y axis. I'm going to label this point A.

Move 3 units to the right to arrive at point B = (3,0). Then move 2 units up to arrive at point C = (3,2). The next step is to walk 5 units to the left and you get to point D = (-2,2). Finally, we move 2 units south to get to the point E = (-2,0)

When we talk about displacement, we only care about starting and ending points. The stuff in between doesn't matter. We start at (0,0) and end at (-2,0). So the displacement is 2 units to the right or "2 meters west"

Answer: Choice C) 2 m west

Check out the attached image to see a visual of what is going on.

Edit: I mistakenly thought she started at point A. instead she starts at point B. So the answer is actually 5 meters west.

4 0
3 years ago
Read 2 more answers
20 POINTS~<br><br> 2/5 |5x+10| -14 &gt; -6<br> Please explain both answers
Pavlova-9 [17]

Answer:

x2

Step-by-step explanation:

We have the inequality:

\frac{2}{5}|5x+10|-14>-6

First, we can factor out a 5 from our absolute value. This yields:

\frac{2}{5}(5|x+2|)-14>-6

Simplify:

2|x+2|-14>-6

Add 14 to both sides:

2|x+2|>8

Divide both sides by 2:

|x+2|>4

Definition of Absolute Value:

x+2>4\text{ or } -(x+2)>4

Solve each case individually:

Case 1:

x+2>4

Subtract 2 from both sides:

x>2

Case 2:

-(x+2)>4

Divide both sides by -1. Flip the sign:

x+2

Subtract 2 from both sides:

x

So, our answers are:

x2

Since our inequality is a <em>greater than</em>, we will have an "or" inequality.

So, our answer is all values left to the first solution and all values to the right of the second solution:

x2

And we're done!

5 0
3 years ago
Suppose 4 mg of a drug is injected into a person's bloodstream. As the drug is metabolized, the quantity diminishes at the conti
Brut [27]
Let Q(t) = the mass (mg) remaining after t hours.
We are told that Q diminishes by 3% every hour.

When t = 0, Q = 4 mg
When t = 1,  Q = 4*0.97 mg
When t = 2, Q = 4*(0.97)² mg

By induction,
Q(t) = 4 (0.97)^{t} \, mg

Q'(t) = 0.97Q
Therefore the rate of decrease is 3% per hour.

The person receives an additional dosage when Q falls to 0.50 mg. This happens when
4(0.97)^{t}=0.5 \\0.97^{t} = 0.125 \\ t \,ln(0.97) = ln(0.125) \\ t =  \frac{ln(0.125)}{ln(0.97)} =68.27 \, hrs

After the second injection, the mass is now 4.5 mg. Therefore
Q(t)=4.5(0.97)^{t}

When the mass again reaches 0.50 mg, then
4.5(0.97)^{t}=0.5 \\ 0.97^{t}=0.1111 \\ t \, ln(0.97) = ln(0.1111) \\ t = 72.14 \, hrs

Answers: 
(a) Q(t) = 4(0.97)^{t}
(b) 3% per hour
(c) 68.3 hours
(d) 72.1 hours

3 0
3 years ago
Kerry and her brother and noticed there is 3/4 of a pint of ice cream in the freezer. After they eat some ice cream there is 1/3
7nadin3 [17]

Answer:

\frac{5}{12} \ of\ a \ pint.

Step-by-step explanation:

Given:

Kerry and her brother and noticed there is 3/4 of a pint of ice cream in the freezer.

After they eat some ice cream there is 1/3 of a pint left.

Question asked:

How much ice cream did Kerry and her brother eat ?

Solution:

Total ice cream in the freezer = \frac{3}{4} \ of\ a\ pint

Ice cream left =  \frac{1}{3}\ of\ a \ pint

<h3>They ate = Total ice cream in the freezer - Ice cream left after they ate</h3>

                  =\frac{3}{4} -\frac{1}{3} \\ \\\\Taking \ LCM \ of 4 \ and\ 3, we \ got ,12\\ \\=\frac{3\times3-4\times1}{12} \\\\  =\frac{9-4}{12} \\ \\ =\frac{5}{12}

Thus, Kerry and her brother ate \frac{5}{12} \ of\ a \ pint.

7 0
3 years ago
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